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US 9,517,216 B2Granted
Compositions comprising salbutamol sulphate
AssigneeMexichem Amanco Holding S.A. de C.V.
InventorsStuart Corr, Timothy James Noakes
Life of this patent
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Abstract
A pharmaceutical composition is described that is suitable for delivery from a pressurized container. The composition is free of polar excipients and comprises: (a) a propellant component that consists essentially of 1,1-difluoroethane (R-152a); (b) a surfactant component that comprises oleic acid; and (c) a drug component that consists of salbutamol sulphate. The pharmaceutical composition can be delivered using a metered dose inhaler (MDI).
Claims14
A pharmaceutical composition consisting of at least 95 weight % of:
- (a) 1,1-difluoroethane (R-152a),
- (b) a surfactant component consisting of oleic acid;
- and
- (c) salbutamol sulphate.
1 more element
Dependencies are inferred from the claim text.